You can check on the bottle to see how many miles the oil you use is rated for, but most synthetic oils will be fine driving up to 7,500 miles without a change. Keep in mind that many oil manufacturers tend to underestimate how long their oil will last in order to keep you coming back for refills more often. Because of this it is generally safe to drive one to two thousand miles more on your engine oil than the bottle advertises.
malcolm park / Getty Images. Sirius, also known as the Dog Star, is the brightest star in the night sky. Its name comes from the Greek word for scorching. It's actually a double star system, with a very bright primary and a dimmer secondary star. Distance: 8.6 light-years.
Procyon A is a yellowish star that is brighter. than our Sun, Sol. (See a 2MASS Survey. image of Procyon A from the NASA Star. and Exoplanet Database.) System Summary. The Procyon System is located about 11.5 light-years (ly) from our Sun, Sol -- slightly higher than HIPPARCOS' estimate of 11.4 ly (Girard et al, 2000). Procyon A, or Alpha Canis Minoris A, is the brightest and most centrally located naked-eye star (07:39:18.12+05:13:29.98, ICRS 2000.0) of Constellation Canis Minor (the Smaller Dog).